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Frame Range
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.. figure:: /images/render_output_properties_frame_range_panel.png
Frame Range panel.
This panel defines how long an animation will last in terms of frames.
Frames can be divided by the scene's :ref:`Frame Rate <bpy.types.RenderSettings.fps>`
to get the animation duration in terms of time.
For example, a 250 frame animation at a frame rate of 30 will last 8.3 seconds.
.. _bpy.types.Scene.frame_start:
.. _bpy.types.Scene.frame_end:
Frame Start, End
Set the *Start* and *End* frames for :doc:`Rendering Animations </render/output/animation>`.
.. _bpy.types.Scene.frame_step:
Step
Controls the number of frames to advance by for each frame in the timeline.
Time Stretching
===============
Use to remap the length of an animation; making it run slower or faster.
The *Old* and *New* settings may either be used as absolute values or as a ratio:
For example, setting *Old* to a value of 2 and *New* to 1 will run the animation twice as fast.
.. warning::
Using *Time Stretching* will not influence the *Start* or *End* frames set above,
so make sure that your animation is not cut off or has extraneous still frames at the end.
.. _bpy.types.RenderSettings.frame_map_old:
Old
The length in frames of the original animation.
.. _bpy.types.RenderSettings.frame_map_new:
New
The length in frames the new animation will last.
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